National Instruments NI USB-6008/6009 - Manual (Page 29)

© National Instruments Corporation 29 NI USB-6008/6009 User Guide and Specifications
Safety
If you need to clean the module, wipe it with a dry towel.
Safety Voltages
Connect only voltages that are within these limits.
Channel-to-GND .................................... ±30 V max,
Measurement Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution Do not use this module for connection to signals or for measurements within
Measurement Categories II, III, or IV.
Safety Standards
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note For UL and other safety certifications, refer to the product label or visit
ni.com/certification , search by model number or product line, and click the
appropriate link in the Certification column.
Hazardous Locations
The NI USB-6008/6009 device is not certified for use in hazardous
locations.